Q: on Manual Clutch Assembly

[Bierkan]

I'm running into an issue installing a hydraulic throwout bearing for a stock application into my chassis. I'm measuring about 1/4" interferrence fit between the clutch fingers, throwout bearing and the transmission.

Since this truck has a questionable history (very cobbled together over time), I do not know what friction plate/pressure plate combination is in it.

Would a heavy duty pressure plate be thicker than stock? Is there a visual way to tell the difference between stock and heavy duty pressure plate with the cast bell housing installed and the dust shield removed?

Thanks in advance for your help.

[JimKshortstep4x4]

Stock throwout bearings came in two different lengths to match the clutch. If you clutch took the shorter throwout bearing that could be the problem.

Jim

[LockDoc]

There are basically two different pressure plate configurations, diaphragm & Borg & Beck. If I remember correctly the diaphragm takes the long throwout bearing and the Borg & Beck takes the short one. Here is some info.

http://www.ramclutches.com/clutch%20u/cl_u_2.htm

Here is another from Car Craft Mag.

http://www.carcraft.com/techarticles...s/viewall.html

LockDoc

[Bierkan]

Mine is a diaphram style.
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[geezer#99]

Diaphram style came in raised finger and flat finger. Raised gets the shorter TOB.
FWIW there are 4 kinds of pressure plates. Borg and beck, diapram, long and long/borg&beck.

[Bierkan]

Originally Posted by geezer#99

Diaphram style came in raised finger and flat finger. Raised gets the shorter TOB.
FWIW there are 4 kinds of pressure plates. Borg and beck, diapram, long and long/borg&beck.

I believe it's a raised finger diaphram style. Is there differences in the raised finger style regarding "height" of the fingers?

[geezer#99]

Not that I've seen.

[Bierkan]

Alrighty then. Looks like I'm returning a hto and finding something different.
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